<template>
     
         <div>

            <el-container class="home-container">
                <el-header> 
                    <div class="tou">
                        <img src="../assets/photo.png" alt="">
                        <span>电商后台管理系统</span>
                    </div>
                    <el-button type="info" @click="logout">退出</el-button></el-header>
                <el-container>
                  <el-aside :width="isCollapse?'64px':'200px'">
                      <div class="toggle-button" @click="handleBtn">|||</div>
                    <el-menu
                    background-color="#333744"
                    text-color="#fff"
                    active-text-color="#409FFF" unique-opened :collapse="isCollapse" :collapse-transition="false" router :default-active="activePath"> 
                    <!-- 一级菜单 -->
                    <el-submenu :index="item.id+''" v-for="item in menulist" :key="item.id">
                        <!-- 一级菜单模板 -->
                      <template slot="title">
                          <!-- 图标 -->
                        <i :class="iconsObj[item.id]"></i>
                        <!-- 文本 -->
                        <span>{{item.authName}}</span>
                      </template>
                      <!-- 二级菜单 -->
                      <el-menu-item :index="'/'+subItem.path+''" v-for="subItem in item.children" :key="subItem.id" @click="saveState('/'+subItem.path)"> <template slot="title">
                        <!-- 图标 -->
                      <i class="el-icon-menu"></i>
                      <!-- 文本 -->
                      <span>{{subItem.authName}}</span>
                    </template></el-menu-item>
                    </el-submenu>
                     
                  </el-menu>
                  </el-aside>
                  <el-main>
                      <router-view></router-view>
                  </el-main>
                </el-container>
              </el-container>
         </div>
       
</template>
<script>
export default {
    data() {
        return {
            menulist:[],
            iconsObj:{
                '125':'iconfont icon-user',
                 '103':'iconfont icon-tijikongjian',
                 '101':'iconfont icon-shangpin',
                  '102':'iconfont icon-danju',
                    '145':'iconfont icon-baobiao'
            },
            isCollapse:false,
            activePath:''
        }
    },
    created() {
        this.getMenulist()
        this.activePath=window.sessionStorage.getItem('activePath')
    },
methods: {
    logout(){
        window.sessionStorage.clear()
        this.$router.push('/login')
    },
    async getMenulist(){
      const{data:res} = await this.$http.get('menus')
      console.log(res)
      if(res.meta.status!==200) return this.$message.error(res.meta.msg)
      this.menulist=res.data
    },
    handleBtn(){
            this.isCollapse=!this.isCollapse
    },
    saveState(activePath){
             window.sessionStorage.setItem('activePath',activePath)
             this.activePath=activePath
              
    }
}
}
</script>
<style lang="less" scoped>
    .el-header{
        background-color: #373d41;
        display: flex;
        justify-content: space-between;
        padding-left: 0;
        align-items: center;
        color: #ffffff;
        font-size: 20px;
         
    }
    .el-aside{
        background-color: #333744;
    }
    .el-main{
        background-color: #EAEDF1;
    }
    .home-container{
          height: 100vh;
    }
    .tou{
            display: flex;
            align-items:center
            
        }
        .tou img{
             
                 width:60px;
                 height:60px;
             
        }
        .tou span{
            margin-left: 20px;
        }
        .iconfont{
            margin-right: 10px;
        }
        .el-menu{
            border-right: none;
        }
        .toggle-button{
             background-color: #4A5064;
             font-size: 10px;
             line-height: 24px;
             color: #ffffff;
             text-align: center;
             letter-spacing: 0.3em;
             cursor: pointer;
        }
</style>